Home / 70,110.85-96,748.47-38,279.67

Finding the Fourth Proportional to 70,110.85, 96,748.47 and 38,279.67

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Solution

The fourth proportional to 70,110.85, 96,748.47 and 38,279.67 is: 52,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110.85 : 96,748.47 = 38,279.67 : x
  2. Step 2: Convert to fraction form
    70,110.85/96,748.47 = 38,279.67/x
  3. Step 3: Cross multiply
    70,110.85x = 96,748.47 × 38,279.67
  4. Step 4: Simplify right side
    70,110.85x = 3,703,499,313.21
  5. Step 5: Solve for x
    x = 3,703,499,313.21/70,110.85
  6. Step 6: Final answer
    x = 52,823.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.